to shackle, fasten, or hobble a horse (see Molina)
(partially a loanword from Spanish; caballo, horse)
Orthographic Variants:
caballo mailpia
Alonso de Molina:
cauallo mailpia. ni. (pret. onicauallo mailpi.) manear bestias. Alonso de Molina, Vocabulario en lengua castellana y mexicana y mexicana y castellana, 1571, part 2, Nahuatl to Spanish, f. 12v. col. 2. Thanks to Joe Campbell for providing the transcription.